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Reshape three column data frame to matrix (“long” to “wide” format) [duplicate]

...ttered around this site. tmp <- data.frame(x=gl(2,3, labels=letters[24:25]), y=gl(3,1,6, labels=letters[1:3]), z=c(1,2,3,3,3,2)) Using the tidyverse: The new cool new way to do this is with pivot_wider from tidyr 1.0.0. It returns a data frame, which is p...
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How do I get my Maven Integration tests to run

... 251 The Maven build lifecycle now includes the "integration-test" phase for running integration te...
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Is modern C++ becoming more prevalent? [closed]

... 25 In the days of Windows 3.1, C was the standard. When C++ hit the developer market and later be...
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Avoid web.config inheritance in child web application using inheritInChildApplications

...for – Simon_Weaver May 14 '13 at 22:25 ...
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Ruby class instance variable vs. class variable

...lanation. – aliahme922 Jun 12 at 15:25 add a comment  |  ...
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JPA EntityManager: Why use persist() over merge()?

... | edited Jan 25 at 14:43 Lubo 73144 silver badges2121 bronze badges answered Jul 1 '09 at 1...
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Use of Application.DoEvents()

... – Christian Findlay Oct 1 '18 at 5:25 add a comment  |  ...
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Entity Framework rollback and remove bad migration

...k to normal – Traci Jul 31 '15 at 3:25  |  show 8 more comme...
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Convert HTML to PDF in .NET

... answered Sep 5 '19 at 17:25 Mauricio Gracia GutierrezMauricio Gracia Gutierrez 7,41444 gold badges4949 silver badges7474 bronze badges ...
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Random float number generation

...enerate 0.000017. So you have a uniform distribution but of low precision (256 times less precision than the actual floating point). – DanielHsH Aug 14 '14 at 8:25 ...